Chores: add ua for cloud provider

[MartinForReal]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Chores: add ua for cloud provider

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: MartinForReal

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[nilo19]

/lgtm

[MartinForReal]

/retest

[MartinForReal]

/retest

[MartinForReal]

/retest

[MartinForReal]

/retest

[k8s-ci-robot]

@MartinForReal: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cloud-provider-azure-e2e-capz	cfbb1cc	link	true	/test pull-cloud-provider-azure-e2e-capz
pull-cloud-provider-azure-e2e-ccm-vmss-multi-slb-capz	cfbb1cc	link	true	/test pull-cloud-provider-azure-e2e-ccm-vmss-multi-slb-capz
pull-cloud-provider-azure-e2e-ccm-capz	cfbb1cc	link	true	/test pull-cloud-provider-azure-e2e-ccm-capz

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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